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#include<stdio.h> #include<conio.h> int main() { int i, n; long S; S = 0; i = 1; printf("\nNhap n: "); scanf("%d", &n); while(i <= n) { S = S + i; i++; } printf("\nTong 1 + 2 + ... + %d la %ld: ", n, S); getch(); return 0; }
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Line 17: error: conio.h: No such file or directory